Question

Define Gravity Anomaly and explain the factors affecting it

Answer 1

Answer:

In geophysics gravity anomalies are generally defined as the difference between observed gravity field and the field of a reference model. ... The observed gravity anomalies reflect the effect of density variations relative to the homogeneous reference model.

Answer 2

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Definition of gravity anomaly

: a difference between the locally observed and the theoretically calculated value of gravity that reflects local variations in density of underlying rocks and is often helpful in geophysical prospecting